Subscribe | UPI Odd Newsletter Subscribe WASHINGTON, Aug. 20 (UPI) -- A NASA video posted to YouTube depicts a UFO outside the International Space Station that turned out to be an antenna shield. The agency said astronaut Chris Cassidy captured video of the object passing near the Progress cargo ship while it was docked at the station Monday and reported it to NASA, RIA Novosti reported Tuesday. Advertisement Russian specialists identified the object as an antenna shield from the ISS' Zvezda Russian module. Read More Files reveal why Britain's Defense Ministry closed UFO desk British Defense Ministry releases final UFO report Passenger jet nearly strikes UFO over Scotland Canadians spy hundreds of UFOs yearly UFO may have been military plane MUFON investigating flying saucer in Texas